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Recovery of an injured ascending reticular activating system with recovery from a minimally conscious state to normal consciousness in a stroke patient: a diffusion tensor tractography study

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Neural Regeneration Research 2020年第9期15卷 1767-1768页

作者： sung Ho Jang Han Do lee Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityDaeguRepublic of Korea Department of Physical Therapy College of Natural ScienceUlsan College UniversityUlsanRepublic of Korea

Consciousnessiscontrolledbytheascendingreticularactivating system (ARAS)(Teasdale and Jennett, 1974;Jang and lee, 2015;Jang et al., 2016a). Scientific medical strategies for recovery in patients with impaired consciou... 详细信息

关键词： impaired system consciousness

A Wireless Sensor Network Platform for Elderly Persons at Home

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稀有金属材料与工程 2006年第A3期35卷 95-99页

作者： Young-Dong lee dae-Seok lee Wan-Young Chung Risto Myllylae Dept of Computer Network Eng Graduate School of SoftwareDongseo UniversityBusan 617-716Korea Division of Computer & Information Eng Dongseo UniversityBusan 617-716Korea Dept of Electrical and Information Engineering University of OuluLinnanmaa 90570 OuluFinland

A small size ubiquitous healthcare system for the home care of elderly persons was designed and *** system comprised a wireless sensor network node,base station and server computer for the continuous monitoring of ECG *** data,an important vital sign that is commonly used in clinical and trauma care,were displayed on a graphical user interface (GUI) by transferring the data to a PDA or a terminal *** data transfer was accomplished through a base-station connected to a server computer using TCP/***-time ECG data of elderly persons or patients,as well as historical data,can also be retrieved and played back to assist the *** ubiquitous healthcare system presented in this study can effectively reduce social medical expenses,which will increase greatly in the aging society.

关键词： wireless sensor network ubiquitous healthcare ECG TinyOS platform

Microstructural evolution of pre-twinned Mg alloy with annealing temperature and underlying boundary migration mechanism

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Journal of Magnesium and Alloys 2023年第8期11卷 2953-2966页

作者： Ye Jin Kim Jong Un lee Gyo Myeong lee sung Hyuk Park School of Materials Science and Engineering Kyungpook National UniversityDaegu 41566Republic of Korea

This study investigates the variations in the microstructural characteristics of a pre-twinned Mg alloy with the temperature of the subsequent annealing *** this end,a rolled AZ31 alloy is compressed to 3%plastic strain along the rolling direction(RD)to activate{10-12}twinning and is subsequently annealed at 200,250,300,350,and 400℃.Numerous{10-12}twins are formed throughout the compressed material,leading to the formation of a RD-oriented *** an annealing temperature of 200℃,no microstructural variations occur during *** the annealing temperature increases from 250 to 400℃,the residual strain energy and remaining twin boundaries of the annealed material decrease owing to the promoted static recovery and the increased area fraction of twin-free grown ***,an increase in the annealing temperature results in a gradual microstructural transition from a fully twinned grain structure to a completely twin-free grain *** microstructural evolution during annealing is predominantly governed by the movement of high-angle grain boundaries via a strain-induced boundary migration mechanism,and a few twin boundaries migrate above 350℃because of their lower boundary *** boundary migration behavior and resultant microstructural evolution are discussed in detail based on the variations in boundary mobility and driving force for boundary migration with annealing temperature.

关键词： Rolled Mg alloy {10-12}twin Grain growth Boundary migration Annealing

Implementation of tactical maneuvers with maneuver libraries

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Chinese Journal of Aeronautics 2020年第1期33卷 255-270页

作者： Do hyeon lee Chang-Joo KIM sung wook HUR Seong han lee School of Aerospace Information Engineering Konkuk UniversitySeoul 05029Republic of Korea

This study creates and combines the general maneuver libraries for fixed-wing aircraft to implement tactical ***,the generalized maneuver libraries are established by analyzing the characteristics of tactical maneuvers required in *** 7th order polynomial is applied to both the creation of the maneuver libraries and the generation of the trajectories or flight paths for modal *** track the desired trajectory,we design the Attitude Command Attitude Hold(ACAH)system and the Rate Command Rate Hold(RCRH)system using Model Following Controller(MFC).Moreover,the Line-of-Sight(LOS)guidance law is *** particular,the CONDUIT~?is employed to optimize the gains so that the control systems meet the aircraft Handling Qualities(HQ)***,flight simulations are performed for the longitudinal loop,immelmann-turn,and climb-slalom-descent maneuvers to verify that tactical aggressive maneuvers are realizable via the combination of maneuver *** study can contribute to the development of flight techniques for aircraft tactical maneuvers and to the revision of air force operational manuals.

关键词： 7th order polynomial Attitude command attitude hold system Handling qualities Maneuver libraries Rate command rate hold system Tactical maneuvers

Parameterization and Application of Storm Surge/Tide Modeling Using a Genetic Algorithm for Typhoon Periods

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Advances in Atmospheric Sciences 2011年第5期28卷 1067-1076页

作者： sung Hyup YOU Yong Hee lee Woo Jeong lee Marine Meteorology Division Observation Infrastructure Bureau/KMA Korea Forecast Research Laboratory National Institute of Meteorological Research/KMA Korea Global Environment System Research Laboratory National Institute of Meteorological Research/KMA Korea

A genetic algorithm was used to optimize the parameters of the two-dimensional Storm Surge/Tide Operational Model （STORM） to improve sea level *** genetic algorithm was applied to nine typhoons that affected the Korean Peninsula during *** following model parameters were used：the bottom drag coefficient,the background horizontal diffusivity,Smagorinski＇s horizontal viscosity,and the sea level pressure ***,the simulation results using the optimized,mean,and median parameter values improved sea level *** four estimated parameters improved the sea level prediction by 76% and 54% in the bias and root mean square error for Typhoon Kalmaegi （0807） in 2008,***-month simulations of February and August 2008 were also improved using the estimated *** study demonstrates that parameter optimization on STORM can improve sea level prediction.

关键词： genetic algorithm STORM sea level typhoon

Trace metals and animal health: Interplay of the gut microbiota with iron, manganese, zinc, and copper

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Animal Nutrition 2021年第3期7卷 750-761页

作者： Edward Alain B.Pajarillo Eunsook lee dae-Kyung Kang Department of Pharmacy and Pharmaceutical Sciences Florida A&M UniversityTallahassee 32307FLUSA Department of Animal Resources Science Dankook UniversityCheonan 31116Republic of Korea

Metals such as iron,manganese,copper,and zinc are recognized as essential trace *** trace metals play critical roles in development,growth,and metabolism,participating in various metabolic processes by acting as cofactors of enzymes or providing structural support to *** or toxicity of these metals can impact human and animal health,giving rise to a number of metabolic and neurological *** breakdown,absorption,and elimination of these trace metals is a tightly regulated process that requires crosstalk between the host and these *** gut is a complex system that serves as the interface between these components,but other factors that contribute to this delicate interaction are not well *** gut is home to trillions of microorganisms and microbial genes(the gut microbiome)that can regulate the metabolism and transport of micronutrients and contribute to the bioavailability of trace metals through their assimilation from food sources or by competing with the ***,deficiency or toxicity of these metals can modulate the gut microenvironment,including microbiota,nutrient availability,stress,and ***,understanding the role of the gut microbiota in the metabolism of manganese,iron,copper,and zinc,as well as in heavy metal deficiencies and toxicities,and vice versa,may provide insight into developing improved or alternative therapeutic strategies to address emerging health *** review describes the current understanding of how the gut microbiome and trace metals interact and affect host health,particularly in pigs.

关键词： Gut microbiota Microbiome Iron Manganese Zinc Copper

Remote Navigation of Turtle by Controlling Instinct Behavior via Human Brain-computer Interface

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Journal of Bionic Engineering 2016年第3期13卷 491-503页

作者： Cheol-Hu Kim Bongjae Choi dae-Gun Kim Serin lee sungho Jo Phill-Seung lee Department of Mechanical Engineering Korea Advanced Institute of Science and Technology (KAIST) 373-1 Guseong-dong Yuseong-gu Daejeon 34141 Republic of Korea School of Computing Science Korea Advanced Institute of Science and Technology (KAIST) 373-1 Guseong-dong Yuseong-gu Daejeon 34141 Republic of Korea Instituteforlnfocomm Research 1 Fusionopolis Way #21-01 Connexis (South Tower) 138632 Singapore

Brain-Computer Interface （BCI） techniques have advanced to a level where it is now eliminating the need lor hand-based activation. This paper presents a novel attempt to remotely control an animal＇s behavior by human BCI using a hybrid of Event Related Desynchronization （ERD） and Steady-State Visually Evoked Potential （SSVEP） BCI protocols. The turtle was chosen as the target animal, and we developed a head-mounted display, wireless communication, and a specially designed stimulation device for the turtle. These devices could evoke the turtle＇s instinctive escape behavior to guide its moving path, and turtles were remotely controlled in both indoor and outdoor environments. The system architecture and design were presented. To demon- strate the feasibility of the system, experimental tests were performed under various conditions. Our system could act as a framework for future human-animal interaction systems.

关键词： brain-computer interface turtle (Trachemys scripta elegans) remote navigation instinct behaviour escape be- havior

Unusual case of emphysematous cystitis mimicking intestinal perforation:A case report

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World Journal of Clinical Cases 2023年第28期11卷 6943-6948页

作者： Hye Yoon Kang dae-Sup lee Donghyoun lee Department of Surgery Samsung Medical CenterSeoul 06338South Korea Department of Emergency Medicine Pusan National University Yangsan HospitalYangsan 50612South Korea Department of Surgery Jeju National University HospitalJeju National University College of MedicineJeju 63241South Korea

BACKGROUND Emphysematous cystitis(EC)is a bladder condition commonly caused by gasgenerating bacterial *** that increase the risk for developing this condition include female gender,age≥60 years,and diabetes mellitus,glycosuria,and urinary *** symptoms of EC often lack specificity,making diagnostic imaging techniques crucial for accurate identification of the *** SUMMARY This report presents an unusual case of EC that mimicked intestinal *** it was initially challenging to differentiate between intestinal perforation and EC on admission,the patient managed to avoid unnecessary surgery and made a good recovery solely through antibiotic *** Successful treatment of the patient described herein highlights the importance of accurately diagnosing EC,which can be difficult to differentiate from intestinal perforation.

关键词： Emphysematous cystitis Intestinal Bowel Perforation Bladder Case report

Clinical impact of atypical endoscopic features in rectal neuroendocrine tumors

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World Journal of Gastroenterology 2015年第47期21卷 13302-13308页

作者： Jong Hee Hyun Seong dae lee Eui Gon Youk Jae Bum lee Enu-Jung lee Hee Jin Chang dae Kyung Sohn Center for Colorectal Cancer National Cancer Center Department of Surgery Daehang Hospital

AIM: To validate the association between atypical endoscopic features and lymph node metastasis(LNM).METHODS: A total of 247 patients with rectal neuroendocrine tumors(NETs) were analyzed. Endoscopic images were reviewed independently by two endoscopists, each of whom classified tumors by sized and endoscopic features, such as shape, color, and surface change(kappa coefficient 0.76 for inter-observer agreement). All of patients underwent computed tomography scans of abdomen and pelvis for evaluation of LNM. Univariate and multivariate analyses were performed to identify the factors associated with LNM. Additionally, the association between endoscopic atypical features and immunohistochemical staining of tumors was ***: Of 247 patients, 156(63.2%) were male and 15(6.1%) were showed positive for LNM. On univariate analysis, tumor size(P < 0.001), shape(P < 0.001), color(P < 0.001) and surface changes(P < 0.001) were significantly associated with LNM. On multivariate analysis, tumor size(OR = 11.53, 95%CI: 2.51-52.93, P = 0.002) and atypical surface(OR = 27.44, 95%CI: 5.96-126.34, P < 0.001) changes were independent risk factors for LNM. The likelihood of atypical endoscopic features increased as tumor size increased. Atypical endoscopic features were associated with LNM in rectal NETs < 10 mm(P = 0.005) and 10-19 mm(P = 0.041) in diameter. Immunohistochemical staining showed that the rate of atypical endoscopic features was higher in non L-cell ***: Atypical endoscopic features as well as tumor size are predictive factors of LNM in patients with rectal NETs.

关键词： Rectal neuroendocrine tumor Colonoscopy Lymph node metastasis